Voice Acting

History of the International Phonetic Alphabet

Tara Parachuk | December 21, 2023

A visual representation of the International Phonetic Alphabet using old-style lettering.

Do you wonder how to pronounce words from different languages correctly? The International Phonetic Alphabet (IPA) is your guide to unlocking the sounds of human speech, providing a universal code for learners and linguists. This article dives into the IPA’s origins and functionality and provides you with a blueprint to navigate its complexities. Whether you’re a voice actor, a teacher or a language enthusiast, the IPA is an indispensable resource for studying and notating the unique phonetic nuances of spoken words worldwide.

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In this article

  1. The International Phonetic Alphabet: Origins and Purpose
  2. How the IPA Chart Works
  3. The Latin Alphabet’s Limitations
  4. Evolution of the IPA
  5. Decoding IPA Symbols: A Comprehensive Guide
  6. Consonants: Voiced and Voiceless
  7. Vowels: Distinctive Sounds
  8. Diacritical Marks and Additional Symbols
  9. Final Thoughts on the International Phonetic Alphabet

The International Phonetic Alphabet: Origins and Purpose

In 1888, the International Phonetic Association published the International Phonetic Alphabet, or IPA.

The IPA is a special phonetic system that is designed to regulate the sounds of spoken languages. It represents the qualities of speech that are distinct: intonation, phonemes and separation of words and syllables, not including sounds made by lisping, tooth gnashing, or cleft palates. These are included in an extended set of characters called the Extensions to the IPA.

Paul Passy, a French linguist, led the ambitious effort by the International Phonetic Association with the aim of representing all spoken languages and their distinct sounds using symbols. With its most recent release in 2015, the IPA has seen numerous updates over the decades to meet modern linguistic standards for an international alphabet. Through these steps, we are one step closer to attaining a world where understanding sound or pronunciation no longer remains difficult.

How the IPA Chart Works

The IPA chart has one symbol for each sound of speech. It doesn’t use letters to combine sounds and there are no letters that are context-dependent. There are also no distinctions between two sounds if they are the same, even if in some languages they have different letters. There are 107 symbols to represent consonants and vowels. 31 of those are diacritics, or glyphs, which are used to further specify certain sounds, and of the 107 symbols, 19 of which are for things like stress, intonation, tone or length of sound.

The actual symbols of the IPA are based on the Latin alphabet, which makes sense as most languages have Latin roots. This means the symbols are either Latin or Greek, although some symbols were invented exclusively for the chart.

The Latin Alphabet’s Limitations

Before the IPA, in 1886, the first version of the IPA chart was formed. It was based on the Roman alphabet, but in order to make it usable for other languages as well, the values attributed to certain symbols were allowed to be different depending on the language. For instance, the “sh” sound in “shoe” was originally represented by the letter c in English, but for the French language, it was changed to x.

Prior to 1886, a phonetic script for English was created in 1847 by Sir Isaac Pitman, the British phonographer and inventor of the phonetic notation system and shorthand, and Henry Ellis. This was used as a model for the IPA.

The International Phonetic Alphabet (IPA) solves the problem of limited sound representation by making use of non-Latin characters. Compared to the Latin alphabet, which is used for a variety of languages but struggles when it comes to accurately representing every speech sound across the globe, the IPA covers an expansive range and can offer distinct representations for sounds from any language or dialect on earth, including click consonants in African dialects and Mandarin tones. Not only does the IPA represent all known phonemes correctly, its utilization grants linguists greater precision than ever before possible with just one alphabet.

Evolution of the IPA

The IPA, originally using the Roman alphabet to represent language pronunciation accurately in 1886, has undergone gradual changes throughout its history. This includes broad transcription which captures general phonetic characteristics of spoken words and narrow transcription that contains more precise details about those sounds. It is known for being able to provide adequate representation with regards to unique sounds from different languages like non-pulmonic consonants such as clicks or ejectives, showing how adaptable and accurate a tool it can be when trying to capture human speech.

Decoding IPA Symbols: A Comprehensive Guide

The actual symbols of the IPA are based on the Latin alphabet, which makes sense as most languages have Latin roots. This means the symbols are either Latin or Greek, although some symbols were invented exclusively for the chart.

The IPA chart has one symbol for each sound of speech. It doesn’t use letters to combine sounds and there are no letters that are context-dependent. There are also no distinctions between two sounds if they are the same, even if in some languages they have different letters. There are 107 symbols to represent consonants and vowels. 31 of those are diacritics, or glyphs, which are used to further specify certain sounds, and of the 107 symbols, 19 of which are for things like stress, intonation, tone or length of sound.

The IPA is not as intimidating to understand as it might appear. It’s simply a matter of being familiar with the way each symbol translates into different sounds and vowel variations in many languages around the world. The chart consists of voiced consonants, voiceless consonants and special symbols for various utterances that can be used instead of just one basic sound indication if needed. Additional characters are utilized within this same system to showcase more specific phonetic features or dialects that could alter how certain words should be pronounced properly, making this set up pivotal when looking at language differences from place to place through an acoustic viewpoint.

Reading the IPA chart usually requires some type of tutorial beforehand or the presence of a translation chart. The chart has three categories: pulmonic consonants, non-pulmonic consonants and vowels. Pulmonic consonants are sounds that are made when the space between the vocal cords or mouth is obstructed at the same time air is being let out of the lungs.

Consonants: Voiced and Voiceless

When it comes to the IPA, consonants can be either voiced or voiceless. Voiced consonant sounds in phonetics require vocal cord vibration which creates a buzzing sensation as your larynx vibrates. These are represented by adding a little ‘v’ symbol next to the consonant symbol on the IPA chart. On the other hand, a voiceless sound is not generated with such vibrations of vocal folds, resulting in clearer word sounds, signified by putting an ‘v’ crossed out right beside its corresponding letter symbol on Phonetic charts. It’s important to note that both voiced and voiceless symbols play major roles when pronouncing words since they have significant effects.

Vowels: Distinctive Sounds

The IPA has a unique system of symbols to accurately represent the multiple sounds of different languages. The position and movement of the tongue, length and type (rounded or unrounded) are important factors that dictate how vowel sounds are represented in this linguistic technique. From front vowels produced by moving your tongue towards the front part of your mouth (/i/, ‘see’ sound), through central ones when it is located at its center (/a/, ‘cat’ sound), up to back vowels created when you move it backwards, each one needs to correspond to its own symbol for precise representation within the IPA scheme.

Diacritical Marks and Additional Symbols

The IPA is a powerful tool that relies on diacritical marks and symbols to represent the nuances of sounds. These glyphs are attached to letters in order to mark slight changes or modifications when pronouncing a sound, such as its quality, length, stress level or tone. As these little extras can drastically affect how something is uttered — from nasalization and aspiration marks through to articulatory modifiers — they enable intricate representations for even the most minute phonetic variations.

IPA characters alone also provide an array of special symbols designed specifically for conveying various features within speech like pressure indicators, tonal adjustments, duration descriptors, nasal enhancers and more. So by adding those small visual pieces one after another helps bring complex aspects out into clear language which could then be followed accurately regardless of whether someone is hearing, speaking, reading or writing.

Final Thoughts on the International Phonetic Alphabet

The International Phonetic Alphabet allows language learners and voice over artists to explore the sounds of any spoken language with its extensive set of symbols. By mastering this phonetic alphabet you can easily distinguish and accurately represent these various linguistic pronunciations, a key factor in deeper comprehension when it comes to learning and speaking different languages.

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  • Avatar for đặng Thị Thu
    đặng Thị Thu
    January 26, 2019, 4:47 am

    The article is very good and useful

    Reply